20692245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4583}}^1$

素因数の和:4641

約数の個数: 32

約数和(自身を含む): 38725632

約数和(自身を除く): 18033387

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 4583, 13749, 22915, 32081, 68745, 96243, 160405, 197069, 481215, 591207, 985345, 1379483, 2956035, 4138449, 6897415, 20692245]

約数ペア:

[(1, 20692245), (3, 6897415), (5, 4138449), (7, 2956035), (15, 1379483), (21, 985345), (35, 591207), (43, 481215), (105, 197069), (129, 160405), (215, 96243), (301, 68745), (645, 32081), (903, 22915), (1505, 13749), (4515, 4583)]